function setMarkStyle(scale, opacity, src) {
    return new ol.style.Style({
        image: new ol.style.Icon({
            anchor: [0.5, 0.5],
            anchorOrigin: "top-right",
            anchorXUnits: 'fraction',
            anchorYUnits: 'pixels',
            offsetOrigin: 'top-right',
            // offset:[0,10]
            // 图标缩放比例
            scale,
            // 透明度
            opacity,
            // 路径
            src,
        })
    })
}